Debris flow disasters are usually accompanied by serious loss of lives and properties. However, debris flows are also part of earth’s natural phenomenon, and so what is the reasonable budget to be spent on mitigation measures becomes an important issue for the budget allocation processes....

Dongchuan City is highly threatened by debris-flow disasters originating from Shengou gully, a typical debris-flow gully along Xiaojiang River in Yunnan Province (Kang et al. <CitationRef CitationID="CR20">2004</CitationRef>). Shengou gully is studied, and a hazard assessment with numerical simulation is developed using ArcGIS 9.2...</citationref>